For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningTire Pressure
Tires need the correct amount of air pressure to operate effectively.
Notice: Neither tire underinflation nor overinflation is good.
Underinflated tires, or tires that do not have enough air, can result in:
• Tire overloading and overheating which could lead to a blowout.
• Premature or irregula ...
Instrument Panel and Console Trim
Specifications
Instrument Panel Insulator Seal Replacement
Preliminary Procedure
Remove the instrument panel assembly. Refer to Instrument Panel Assembly
Replacement.
Instrument Panel Insulator Seal
Steering Column Upper Trim Cover Replacement
Preliminary Procedure
Remo ...
Courtesy/Illuminated Entry Lamps
The following lamps may be manually turned ON by placing the interior lamp
switch in the ON position, or by opening a door while the
switch is in the AUTO position.
The dome lamp
The liftgate lamps
Courtesy lamps
The courtesy lamp supply voltage circuit of the body control module (BCM) ...